Heat-Resistant Porous Composite Based on Ordinary Clay for Thermal Insulation of Hot Surfaces

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Compositions of porous compounds (density 300 to 500 kg/m3) for thermal insulation of hot surfaces up to 1300oC were developed. Ordinary clay (at a clinkering temperature of 1150...1200oC), was chosen as a main substance for structure formation. The increasing thermo-resistance fraction of a ceramic matrix composite was obtained via embedding a refractory clay and dinas fillers into compositionб as well as by means of optimizing the relationship «ordinary clay – high aluminous cement», for which the formation of additional amount of mullite phase is observed when first heating of material.

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166-170

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June 2017

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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